You may already know about or even use Google Goggles the app (which we think is prettygood at a lot of things), and in theory, Project Glass is sort of the über Google Goggles. You don't need to clumsily interact with your phone. Your eyes and voice do the all the interaction, but the use cases (making calls, sending texts, getting directions, responding to notifications, and so on) are very much like a smartphone you wear on your head.

If you've ever been on a site and seen a screenshot with a really cool wallpaper, you no…
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Judging only by the video, we may very soon have a lot of weirdos walking around talking out loud to themselves. Which frankly, we already have, and while I get the gut reaction that says "this is weird and will probably be annoying", that's the same reaction a lot of people had when the iPhone was released. (I can still remember feeling self conscious about using my first-gen iPhone in public.) So let's give it a chance! (Also, let's ignore style issues for now. Some day we may be talking contact lenses, or at least something a little less conspicuous.)